| Buffalo to Carmona | 3,759.31 mi (6,050.03 km) |
| Buffalo to Cartagena | 3,972.69 mi (6,393.42 km) |
| Buffalo to Cartama | 3,833.50 mi (6,169.43 km) |
| Buffalo to Cartaya | 3,693.74 mi (5,944.49 km) |
| Buffalo to Caspe | 3,886.59 mi (6,254.86 km) |
| Buffalo to Cassa de la Selva | 3,992.86 mi (6,425.89 km) |
| Buffalo to Castalla | 3,950.94 mi (6,358.42 km) |
| Buffalo to Castellbisbal | 3,968.07 mi (6,385.99 km) |
| Buffalo to Castelldefels | 3,974.81 mi (6,396.84 km) |
| Buffalo to Castello de Ampurias | 3,988.55 mi (6,418.96 km) |
| Buffalo to Castellon de la Plana | 3,930.52 mi (6,325.56 km) |
| Buffalo to Castilleja de la Cuesta | 3,742.50 mi (6,022.97 km) |
| Buffalo to Catarroja | 3,934.25 mi (6,331.57 km) |
| Buffalo to Catral | 3,960.55 mi (6,373.88 km) |
| Buffalo to Caudete | 3,932.44 mi (6,328.66 km) |
